<?php

declare(strict_types = 1);

namespace App\Middleware;

use Hyperf\Utils\Context;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use Psr\Container\ContainerInterface;

class CorsMiddleware implements MiddlewareInterface
{
    /**
     * @var ContainerInterface
     */
    protected $container;

    public function __construct(ContainerInterface $container)
    {
        $this->container = $container;
    }

    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler) : ResponseInterface
    {
        $response = Context::get(ResponseInterface::class);
        $response = $response->withHeader('Access-Control-Allow-Origin', '*')
            // header('Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS, PATCH');
                             ->withHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS, PATCH')
                             ->withHeader('Access-Control-Allow-Credentials', 'true')
            // Headers 可以根据实际情况进行改写。
                             ->withHeader('Access-Control-Allow-Headers', 'DNT,Keep-Alive,User-Agent,Cache-Control,Content-Type,Authorization');

        Context::set(ResponseInterface::class, $response);

        if ( $request->getMethod() == 'OPTIONS' ) {
            return $response;
        }

        return $handler->handle($request);
    }
}